. >>> 14-year-old antoine ringerback, pretty skilled french mountain biker as you can see from this video doing work, you could say, on this mountain bike course. enters the course, gets the best of view. during a training run near the split border, gets things going. turns around the bend. drop off here to get some speed. goes up. makes that jump. then watch what happens right here. >> he's saying, my god, my god, my god. >> yeah, you can see, i think it looks like he just didn't know how far of a drop that was and didn't know that it was straight down. know that's just a rip in your jeans. that isn't like a bone popping out of his leg. >> it is a leaf. >> it is a leaf. i just realized that. >> according to some of his family members, as you can see, he fractured both his ankles. if i pause it right here you can see it looks like his shoes aren't on. you know what i mean? looks like he just slipped his shoe off but that's his ankle. messed up big time. >> that guy was standing there when he went over that jump. you can see him off in the distance. i was wondering if that person had anyth